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However, it is a pity that although humans have detected that these crystals contain huge energy, they cannot extract the energy for the time being, because according to the detection, the energy inside these energy crystals is very stable. If you want to destroy the crystal For the internal structure, there is really no good way other than directly destroying these crystals.

In addition, the hardness and willfulness of these crystals are very strong. In terms of hardness alone, it is about 50 times that of diamonds. It can be said that even if these crystals are not used as an energy source, just In terms of industrial cutting, etc., the use is very impressive.

After all, the development of science and technology in human civilization is getting stronger and stronger, and the performance of its materials is also getting stronger and stronger. However, the development of material technology has also brought new problems, that is, the welding and cutting of these new materials. A big problem, in terms of the welding of these metal materials, it is okay to say, after all, with the current technology of human civilization, even if the temperature is to reach thousands or even tens of thousands of degrees, it is possible to achieve it.

But in terms of cutting, it is different. Take the keel and shell inside the Dijiang spacecraft as an example. Now human civilization can only use casting methods to directly cast parts, and then use other methods to process these materials. Cutting slowly, it takes a day, a night or even longer to cut a piece of alloy material that is less than one meter in length and less than 30 millimeters in thickness.

Of course, compared to cutting, drilling and so on are actually more troublesome. However, there is no way to do this. After all, many places on the battleship must be drilled.

Not to mention the use of machine tools to process these materials, it will be even more troublesome. After all, the hard-spoken materials of human civilization are only less than 10% harder than the keels of these warships, and these materials The knives and drills produced are very brittle, and even if they are accidentally dropped on the ground, they may be smashed to pieces.

Therefore, you must be careful when processing. If you are not careful and the speed of the machine tool or drilling machine is too fast, it may directly break the tool.

It can be said that the most important reason why the Dijiang spacecraft designed by Tiangong Science and Technology will be manufactured so slowly is precisely this reason. If this problem can be solved, then Wang Bin and the others Tiangong Technology's manufacturing speed of Dijiang-class space fighters can at least reach the speed of one per month, and as time goes by, the speed can be increased as the moon base becomes more and more perfect.

Therefore, even human civilization still does not understand these crystals, and there is no way to derive the energy inside the crystals, which is also very important to human civilization.

Of course, what makes Wang Bin and others most happy is that at this time, the reserves of these crystals on Ceres have reached nearly 200 million tons, which is enough for human civilization to use for a long time.

But at the time they didn't know,

Even if Ceres has a storage capacity of nearly 200 million tons of this kind of mineral, it is far from meeting the needs of human civilization. Even if human civilization discovers more of this kind of ore in the Kuiper belt in the future, it will not be able to meet it.

For this reason, human civilization has to go out of the solar system, go to a wider space, and compete with other civilizations in the galaxy for resources.

With the attention of the command center, in less than ten days, more than 20 super-large aerospace planes have been transformed, and all materials have been loaded and ready to go to Ceres for construction. At the same time, they will go to Ceres with these materials Of course, there are also professionals in various engineering construction and other fields. The number of people who followed the supplies this time has reached more than 300 people.

Of course, in addition to materials and personnel, there are also professional engineering construction machinery and equipment for various vacuum environments.

Since human civilization began to build a large number of projects on Mars and the moon at this time, construction machinery has gradually begun to improve. Even among the private sector, many space engineering construction machinery companies have emerged, and the products produced by these companies Many of the equipment are very professional and safe, and even the process machinery produced by some companies is unique.

Of course, compared with the private sector, the engineering equipment produced by official enterprises is even better.

Although the number of super-large aerospace planes going to Ceres this time is as high as twenty, and each super-large aerospace plane carries as many as several thousand tons of materials, compared with the construction of the Ceres fortress, this A little bit of supplies is a drop in the bucket, far from enough.

But fortunately, the transformation of super-large aerospace aircraft is still going on, and its speed is not slow. On average, two or three aircraft are transformed every day, and the existing super-large aerospace aircraft is being rapidly carried out. remodel.

In addition, in terms of the production of super-large aerospace aircraft, Tiangong Technology is now at full capacity, producing at an average rate of one to two aircraft a day. The number of transport planes can exceed one hundred. At that time, as long as these aerospace planes carry out uninterrupted transportation, they can basically meet the needs of Ceres.

Of course, if other asteroids in the asteroid belt also start to build fortresses by then, these aerospace planes will definitely not be enough, but at the current speed, it will not take long to satisfy the construction of these fortresses.

While the Dijiang spacecraft was investigating Ceres, the first space battleship of the earth civilization, the Xuanming space battleship, which is near the Ziwei space station in the forbidden orbit of the earth, has also undergone several months of outfitting. After installation, the work was completed, which enriched the foundation of human civilization itself a lot.

After all, although the space battleship Xuanming is the first space battleship of the entire human civilization, in any case, according to the previous classification of space battleships by the Blue Star Civilization, the space battleship Xuanming has already been compared to other space battleships in the galaxy. The capital ship of civilization, even in terms of the performance of the spacecraft, except for the lack of a protective cover, other performances are not inferior to the capital ships of the major civilizations in the galaxy.

And such a capital ship, according to the previous Blue Star Civilization'Hai', can already easily kill a fleet composed of more than ten planetary-class warships.

Knowing this, Wang Bin and others felt a lot easier after the outfitting of the spaceship Xuanming was completed. After all, with the existence of the Xuanming, as long as it is not a large-scale fleet of alien civilizations, it will Well, human civilization has some self-protection capabilities. I don’t think before, as long as the fleet of alien civilization enters the solar system, human civilization has no way at all except for local defense.